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Slewing bearing also called rotation supporting is a king of large-scale bearing can withstand the synthesis load. It can simultaneously withstand bigger axial, radial load and the overturning moment .The slewing bearing usually consists of bolt holes ,the internal or external gear ,the oil passage and sealing device .This kind of design makes the matching structure compact tightly ,guide simply ,and maintenance easily . The SYKES slewing bearing has four series. There are four-point contact ball bearing (no-gear, outside gear ,inside gear ) ,double row angular contact ball bearing ,crossed cylindrical and tapered roller bearing and three-row cylindrical combined roller bearing .The four-point contact ball bearing has highest static load capacity .The crossed cylindrical roller bearing has highest dynamic load capacity.The pre-interference of the crossed tapered roller bearing makes it sustain highest stiffness and rotating precision. Three-row cylindrical combined roller bearing leads to bearing height because of the increasing loading capacity. The different raceways sustain relative forces. Therefore, at the same circumstance, the bearing diameter can largely reduced .This feature makes the matching structure became more compact. 

Material:C45,ASTM1053(50Mn),42CrMo,304,316,PH 17-4 etc.

Diameter:150mm~3000mm

Precision:we can design and manufacture as the customer's requirement or given DWG,etc.